code: def variable(x, /):
      logging.warning(
          "NumPy does not support autograd, declaring a 'variable' "
          "is identical to declaring an 'array' when using numpy backend."
      )
      return x
  
file_path: ivy/ivy/functional/backends/numpy/gradients.py
imports: import logging
  from typing import Sequence, Union
  import ivy
label_desc: Use image node_id 1 for calling a global function with example usage: variable() and returns: x